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(11)

EP 3 310 951 A1

(12)

(43) Date of publication: 25.04.2018 Bulletin 2018/17 (21) Application number: 16757933.3 (22) Date of filing: 08.06.2016

(51) International Patent Classification (IPC):  D02J 1/22(2006.01) D01D 5/12(2006.01) D02J 13/00(2006.01) D01D 5/16(2006.01) (86) International application number: PCT/IB2016/053350 (87) International publication number: WO 2016/203345 (22.12.2016 Gazette 2016/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 16.06.2015 IT UB20151385 (71) Applicant: M.A.E. S.p.A. 29122 Piacenza (IT)	(72) Inventor: ROVELLINI, Marco 29122 Piacenza (IT) (74) Representative: Faggioni, Marco et al Fumero S.r.l. Pettenkoferstrasse 20/22 80336 München 80336 München (DE)